Finding the Fourth Proportional to 40,047.53, 55,264.61 and 22,142.07

Step by Step Solution

1. Step 1: Write the proportion equation
   40,047.53 : 55,264.61 = 22,142.07 : x
2. Step 2: Convert to fraction form
   40,047.53/55,264.61 = 22,142.07/x
3. Step 3: Cross multiply
   40,047.53x = 55,264.61 × 22,142.07
4. Step 4: Simplify right side
   40,047.53x = 1,223,672,752.43
5. Step 5: Solve for x
   x = 1,223,672,752.43/40,047.53
6. Step 6: Final answer
   x = 30,555.52